Questions tagged [clamp]

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What's the official name for this metal glue clamp for internal wires?

I'm tasked with making a few new pieces of eqipment based on an existing one. This piece uses a few clamps like below to hold wires (usually a few at a time) connecting individual components inside ...
1
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1answer
49 views

RCD “Clamp/Snubber”

I am attempting to figure out this "RCD Snubber" as seen below: The Eval Sheet says "The resistor capacitor diode (RCD) snubber for the two synchronous rectifiers consists of R3, C29, and D4 for one ...
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2answers
66 views

Identify the Maximum ESD Clamp Voltage on a circuit

This is with regard to a series of my ESD and Inrush Related questions. My circuit : The Node A goes to two other circuits like below : AND Now, I apply an ESD pulse of say 8kV/330pF, the ...
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3answers
136 views

Precision voltage clamping 0V to +5V with +/-12V input

I'm looking for an opamp "voltage clamping" circuit with a +/-12V input and a 0/+5V output. I mean : When input < 0V = output stays at 0V When 0V < input < +5V = output 0 to +5V When input > ...
1
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2answers
86 views

Clamping circuit output dependence on load resistance

I constructed an unbiased positive clamping circuit with C1 capacitor = 1 uF and load resistances R1 of 100 Ω or 100 kΩ. The ...
0
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2answers
201 views

How to clamp opamp output to +-12v when supply is +-15v

I have the following circuit. It's purpose is to take a 0-3.3v signal from an MCU and provide a square, -12v to 12v wave across R3, R4 and either R5 or R6. The idea is to read +-9v when only R4 is ...
0
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1answer
42 views

Multi-Conductor DC Clamp Meter

Does a multi-conductor DC clamp meter exist? Possibly using hall effect sensors in a specific orientation? I typically work with 24-28V DC solenoids valves & pressure transducers with 2 and 4-...
0
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1answer
39 views

Proper way of connecting wires to pins on polymer films

What is the proper way to connect wires to contacts from a thin semitransparent "plastic" foil (see images). There are slightly different types; the first one with the 4 pins in a row is the more ...
0
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1answer
62 views

TVS Array Clamping With IO Less than Standoff Voltage

I have 2 IO lines one at +3.000V and the other at -3.000V. They do not turn on simultaneously. Both Voltage levels are off a precision <1%LDO Both lines are connected to a bidirectinoal TVS (...
5
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5answers
2k views

I am measuring a 9W LED with a clamp on ammeter. Why does it only draw 7.62W?

I bought a UNI T UT210E true rms multimeter. I measured the current of 9 W LED lamp. It shows 0.033A. For the power I get \$0.033 A \cdot 220 V = 7.26 W\$ only. ...
0
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0answers
40 views

simple clamp circuit resistor calculation

Hello guys i want to calculate the resistor R in this circuit.Can anybody help me? The value of zener diode(VZ)=4.8 volt. well i try to simplify it My question is is my solution is right??If not ...
2
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2answers
490 views

TL431 / TLV431 supercapacitor voltage clamping circuit

I have a question regarding a circuit I've been working on for some time. The circuit is based around existing supercapacitor protection modules and uses a TL431 (actually a TLV431 lower power ...
2
votes
1answer
74 views

Clamp a D/A to prevent output below 0V

I am using a USB D/A converter to drive a high-voltage op-amp with a signal between 0 and 3V at 10 kHz. The D/A I am using is capable of outputting between -10 and +10 and unfortunately seems to ...
7
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1answer
178 views

Why is a clamp meter unaffected by nearby wires?

I understand a clamp meter works by measuring the magnetic field generated by current flowing through a wire. It's well known that clamping 2 wires carrying the same current in opposite directions ...
0
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1answer
100 views

How to scale +15v/-15v signal to +10v/-5v?

I have a control voltage signal of an audio synthesizer that goes from +15v to -15v and I want to scale it into +10v to -5v. I want to scale its range. How can I do that? I guess a way to do it ...
2
votes
1answer
87 views

Looking for a 15kV Zener - or equivalent circuitry

I have a high frequency high voltage module that puts out about 15kV (not the stun gun modules sold on eBay). Because of the circuit design the transformer is damaged if it does not arc over. I am ...
1
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2answers
102 views

Clipping an AC line voltage

I've got a linear step-up transformer (120V AC input) which has an output that under load nominally supplies 230V AC @ 100mA. But with no load it floats to as high as 280 V. I need to switch the load ...
3
votes
0answers
161 views

How to select a diode for baker clamp?

What are the requirements when selecting a diode for baker clamp circuit? 1- for example, How the reverse leaking current of the diode affects the circuit? can a diode with relatively high reverse ...
0
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1answer
73 views

During DC restoration of a video signal how is the first sync pulse detected?

DC restoration of an AC coupled video signal can be performed by clamping to some reference voltage, during the horizontal sync periods of the video. This all seems fine in a running system, when the ...
0
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1answer
77 views

Is this current clamp meter measuring correct according to its specs?

A 24V DC power supply is supplying around 2.4A to a pure resistive load. The input voltage is 230Vrms. So I estimated the rms current drawn from the power network as: P/230 = (24*2.4)/230 = 250mA. ...